Back to EveryPatent.com
United States Patent | 5,223,372 |
Yamamoto ,   et al. | June 29, 1993 |
A chemical mat film having good writability and printability is disclosed which includes a transparent film, a chemical mat layer provided on one or both sides of the transparent film and containing finely divided solid particles which provide surface roughness, and an overcoat layer formed of a polymeric material and provided over the surface of the chemical mat layer, the overcoat layer having a surface roughness which is substantially coincident with that of the chemical mat layer. The chemical mat film may be used as a substrate of a photosensitive film for supporting a photosensitive layer thereon.
Inventors: | Yamamoto; Shinichi (Yashio, JP); Masamura; Hiromi (Urawa, JP) |
Assignee: | Somar Corporation (JP) |
Appl. No.: | 410752 |
Filed: | September 22, 1989 |
Sep 27, 1988[JP] | 63-243071 |
Current U.S. Class: | 430/166; 428/323; 428/409; 430/191; 430/192; 430/193; 430/531; 430/533; 430/950 |
Intern'l Class: | G03C 001/91; G03C 001/95; G03F 007/09; G03F 007/023 |
Field of Search: | 430/271,166,950,961,167,191,192,193,531,533 428/323,76,409 |
3154461 | Mar., 1960 | Johnson | 428/323. |
3370951 | Nov., 1966 | Hasenauer | 430/950. |
3589905 | Jun., 1971 | Reedy et al. | 430/950. |
3793052 | Feb., 1974 | Taylor | 428/409. |
3811924 | May., 1974 | Gallagher et al. | 430/950. |
3850640 | Nov., 1974 | Babbitt et al. | 430/528. |
3870549 | Mar., 1975 | Ruygrok | 428/409. |
3920456 | Nov., 1975 | Nittel et al. | 430/950. |
4066820 | Jan., 1978 | Kelly et al. | 428/483. |
4131466 | Dec., 1978 | Nomura et al. | 96/49. |
4142894 | Mar., 1979 | Hori et al. | 430/950. |
4232117 | Nov., 1980 | Naoi et al. | 430/950. |
4235959 | Nov., 1980 | Thijs et al. | 430/950. |
4264692 | Apr., 1981 | Held | 430/281. |
4264719 | Mar., 1981 | Kameoka et al. | 430/950. |
4287299 | Sep., 1981 | Himmelmann et al. | 430/950. |
4289843 | Sep., 1981 | Boutle et al. | 430/271. |
4382115 | May., 1983 | Takahashi | 428/424. |
4396672 | Aug., 1983 | Adesko | 428/323. |
4399179 | Aug., 1983 | Minami et al. | 428/323. |
4416963 | Nov., 1983 | Takimoto et al. | 430/950. |
4426437 | Jan., 1984 | Fisch et al. | 430/271. |
4507383 | Mar., 1985 | Tsuruta et al. | 430/271. |
4542095 | Sep., 1985 | Steklenski et al. | 430/271. |
4557994 | Dec., 1985 | Nagano et al. | 430/166. |
4562140 | Dec., 1985 | Kohmura et al. | 430/950. |
4610924 | Sep., 1986 | Tomagawa et al. | 430/950. |
4678742 | Jul., 1987 | Tamagawa et al. | 428/323. |
4748099 | May., 1988 | Shimada et al. | 430/49. |
4848348 | Nov., 1989 | Craighead | 428/323. |
4870001 | Sep., 1989 | Ashida | 430/950. |
4879201 | Nov., 1989 | Hasegawa | 430/281. |
4902770 | Feb., 1990 | Ishii et al. | 430/271. |
4945025 | Jul., 1990 | Nakamura et al. | 430/961. |